code: def trainer_pipeline_params_cls(cls) -> Type[TTrainerPipelineParams]:
      return CalamariTrainOnlyPipelineParams
  
file_path: calamari/calamari_ocr/ocr/scenario.py
imports: import os
  from typing import Type, TYPE_CHECKING
  from tfaip.scenario.scenariobase import ScenarioBase, TScenarioParams, TTrainerPipelineParams
  from tfaip.trainer.optimizer import AdamOptimizer
  from tfaip.trainer.scheduler import Constant
  from calamari_ocr.ocr.scenario_params import CalamariScenarioParams, CalamariEnsembleScenarioParams
  from calamari_ocr.ocr.training.pipeline_params import CalamariDefaultTrainerPipelineParams, CalamariTrainOnlyPipelineParams
label_desc: Use image node_id 2 for calling the CalamariEnsembleScenario obj's underlying member method code with example usage: obj.trainer_pipeline_params_cls(cls) and returns: CalamariTrainOnlyPipelineParams